| /* |
| * Author: Tatu Ylonen <ylo@cs.hut.fi> |
| * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| * All rights reserved |
| * Interface for the packet protocol functions. |
| * |
| * As far as I am concerned, the code I have written for this software |
| * can be used freely for any purpose. Any derived versions of this |
| * software must be clearly marked as such, and if the derived work is |
| * incompatible with the protocol description in the RFC file, it must be |
| * called by a name other than "ssh" or "Secure Shell". |
| */ |
| |
| /* RCSID("$OpenBSD: packet.h,v 1.27 2001/12/19 17:16:13 stevesk Exp $"); */ |
| |
| #ifndef PACKET_H |
| #define PACKET_H |
| |
| #include <openssl/bn.h> |
| |
| void packet_set_connection(int, int); |
| void packet_set_nonblocking(void); |
| int packet_get_connection_in(void); |
| int packet_get_connection_out(void); |
| void packet_close(void); |
| void packet_set_encryption_key(const u_char *, u_int, int); |
| void packet_set_protocol_flags(u_int); |
| u_int packet_get_protocol_flags(void); |
| void packet_start_compression(int); |
| void packet_set_interactive(int); |
| int packet_is_interactive(void); |
| |
| void packet_start(u_char); |
| void packet_put_char(int ch); |
| void packet_put_int(u_int value); |
| void packet_put_bignum(BIGNUM * value); |
| void packet_put_bignum2(BIGNUM * value); |
| void packet_put_string(const void *buf, u_int len); |
| void packet_put_cstring(const char *str); |
| void packet_put_raw(const void *buf, u_int len); |
| void packet_send(void); |
| |
| int packet_read(int *payload_len_ptr); |
| void packet_read_expect(int *payload_len_ptr, int type); |
| int packet_read_poll(int *packet_len_ptr); |
| void packet_process_incoming(const char *buf, u_int len); |
| |
| u_int packet_get_char(void); |
| u_int packet_get_int(void); |
| void packet_get_bignum(BIGNUM * value, int *length_ptr); |
| void packet_get_bignum2(BIGNUM * value, int *length_ptr); |
| void *packet_get_raw(int *length_ptr); |
| void *packet_get_string(u_int *length_ptr); |
| void packet_disconnect(const char *fmt,...) __attribute__((format(printf, 1, 2))); |
| void packet_send_debug(const char *fmt,...) __attribute__((format(printf, 1, 2))); |
| |
| void packet_write_poll(void); |
| void packet_write_wait(void); |
| int packet_have_data_to_write(void); |
| int packet_not_very_much_data_to_write(void); |
| |
| int packet_connection_is_on_socket(void); |
| int packet_connection_is_ipv4(void); |
| int packet_remaining(void); |
| void packet_send_ignore(int); |
| void packet_add_padding(u_char); |
| |
| void tty_make_modes(int, struct termios *); |
| void tty_parse_modes(int, int *); |
| |
| extern int max_packet_size; |
| int packet_set_maxsize(int); |
| #define packet_get_maxsize() max_packet_size |
| |
| #define packet_integrity_check(payload_len, expected_len, type) \ |
| do { \ |
| int _p = (payload_len), _e = (expected_len); \ |
| if (_p != _e) { \ |
| log("Packet integrity error (%d != %d) at %s:%d", \ |
| _p, _e, __FILE__, __LINE__); \ |
| packet_disconnect("Packet integrity error. (%d)", (type)); \ |
| } \ |
| } while (0) |
| |
| #define packet_done() \ |
| do { \ |
| int _len = packet_remaining(); \ |
| if (_len > 0) { \ |
| log("Packet integrity error (%d bytes remaining) at %s:%d", \ |
| _len ,__FILE__, __LINE__); \ |
| packet_disconnect("Packet integrity error."); \ |
| } \ |
| } while (0) |
| |
| #endif /* PACKET_H */ |